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><H1
><A
NAME="SQL-ALTEROPERATOR"
></A
>ALTER OPERATOR</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN60963"
></A
><H2
>Name</H2
>ALTER OPERATOR&nbsp;--&nbsp;change the definition of an operator</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN60968"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>ALTER OPERATOR <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
> ( { <TT
CLASS="REPLACEABLE"
><I
>left_type</I
></TT
> | NONE } , { <TT
CLASS="REPLACEABLE"
><I
>right_type</I
></TT
> | NONE } ) OWNER TO <TT
CLASS="REPLACEABLE"
><I
>new_owner</I
></TT
>
ALTER OPERATOR <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
> ( { <TT
CLASS="REPLACEABLE"
><I
>left_type</I
></TT
> | NONE } , { <TT
CLASS="REPLACEABLE"
><I
>right_type</I
></TT
> | NONE } ) SET SCHEMA <TT
CLASS="REPLACEABLE"
><I
>new_schema</I
></TT
></PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN60978"
></A
><H2
>Description</H2
><P
>   <TT
CLASS="COMMAND"
>ALTER OPERATOR</TT
> changes the definition of
   an operator.  The only currently available functionality is to change the
   owner of the operator.
  </P
><P
>   You must own the operator to use <TT
CLASS="COMMAND"
>ALTER OPERATOR</TT
>.
   To alter the owner, you must also be a direct or indirect member of the new
   owning role, and that role must have <TT
CLASS="LITERAL"
>CREATE</TT
> privilege on
   the operator's schema.  (These restrictions enforce that altering the owner
   doesn't do anything you couldn't do by dropping and recreating the operator.
   However, a superuser can alter ownership of any operator anyway.)
  </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN60985"
></A
><H2
>Parameters</H2
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
></DT
><DD
><P
>      The name (optionally schema-qualified) of an existing operator.
     </P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>left_type</I
></TT
></DT
><DD
><P
>      The data type of the operator's left operand; write
      <TT
CLASS="LITERAL"
>NONE</TT
> if the operator has no left operand.
     </P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>right_type</I
></TT
></DT
><DD
><P
>      The data type of the operator's right operand; write
      <TT
CLASS="LITERAL"
>NONE</TT
> if the operator has no right operand.
     </P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>new_owner</I
></TT
></DT
><DD
><P
>      The new owner of the operator.
     </P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>new_schema</I
></TT
></DT
><DD
><P
>      The new schema for the operator.
     </P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN61015"
></A
><H2
>Examples</H2
><P
>   Change the owner of a custom operator <TT
CLASS="LITERAL"
>a @@ b</TT
> for type <TT
CLASS="TYPE"
>text</TT
>:
</P><PRE
CLASS="PROGRAMLISTING"
>ALTER OPERATOR @@ (text, text) OWNER TO joe;</PRE
><P></P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN61021"
></A
><H2
>Compatibility</H2
><P
>   There is no <TT
CLASS="COMMAND"
>ALTER OPERATOR</TT
> statement in
   the SQL standard.
  </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN61025"
></A
><H2
>See Also</H2
><A
HREF="sql-createoperator.html"
>CREATE OPERATOR</A
>, <A
HREF="sql-dropoperator.html"
>DROP OPERATOR</A
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